﻿using System;
using MetroContractSample.Data;
using Windows.ApplicationModel;
using Windows.ApplicationModel.Activation;
using Windows.ApplicationModel.Search;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;

// The Grid Application template is documented at http://go.microsoft.com/fwlink/?LinkId=234226

namespace MetroContractSample
{
  /// <summary>
  /// Provides application-specific behavior to supplement the default Application class.
  /// An overview of the Grid Application design will be linked to in future revisions of
  /// this template.
  /// </summary>
  sealed partial class App : Application
  {
    private static SampleDataSource theData = new SampleDataSource();
    public static SampleDataSource DataSource
    {
      get { return theData; }
    }



    /// <summary>
    /// Initializes the singleton application object.  This is the first line of authored code
    /// executed, and as such is the logical equivalent of main() or WinMain().
    /// </summary>
    public App()
    {
      this.InitializeComponent();
      this.Suspending += OnSuspending;
    }

    /// <summary>
    /// Invoked when the application is launched normally by the end user.  Other entry points
    /// will be used when the application is launched to open a specific file, to display
    /// search results, and so forth.
    /// </summary>
    /// <param name="args">Details about the launch request and process.</param>
    protected override void OnLaunched(LaunchActivatedEventArgs args)
    {
      SearchPane.GetForCurrentView().QuerySubmitted +=
          (sender, queryArgs) =>
          {
            SearchResultsPage.Activate(queryArgs.QueryText);
          };


      if (args.PreviousExecutionState == ApplicationExecutionState.Terminated)
      {
        //TODO: Load state from previously suspended application
      }

      // Create a Frame to act navigation context and navigate to the first page,
      // configuring the new page by passing required information as a navigation
      // parameter
      var rootFrame = new Frame();
      rootFrame.Navigate(typeof(BlankPage), new Tuple<Type, IActivatedEventArgs>(typeof(GroupedItemsPage), args));

      // Place the frame in the current Window and ensure that it is active
      Window.Current.Content = rootFrame;
      Window.Current.Activate();
    }

    /// <summary>
    /// Invoked when application execution is being suspended.  Application state is saved
    /// without knowing whether the application will be terminated or resumed with the contents
    /// of memory still intact.
    /// </summary>
    /// <param name="sender">The source of the suspend request.</param>
    /// <param name="e">Details about the suspend request.</param>
    void OnSuspending(object sender, SuspendingEventArgs e)
    {
      //TODO: Save application state and stop any background activity
    }

    protected override void OnSearchActivated(SearchActivatedEventArgs args)
    {
      SearchPane.GetForCurrentView().QuerySubmitted +=
          (sender, queryArgs) =>
          {
            SearchResultsPage.Activate(queryArgs.QueryText);
          };

      if (args.PreviousExecutionState == ApplicationExecutionState.Terminated)
      {
        //TODO: Load state from previously suspended application
      }

      var rootFrame = new Frame();
      rootFrame.Navigate(typeof(BlankPage), new Tuple<Type, IActivatedEventArgs>(typeof(SearchResultsPage), args));

      Window.Current.Content = rootFrame;
      Window.Current.Activate();
    }

    protected override void OnFileOpenPickerActivated(FileOpenPickerActivatedEventArgs args)
    {
      var rootFrame = new Frame();
      rootFrame.Navigate(typeof(BlankPage), new Tuple<Type, IActivatedEventArgs>(typeof(FileOpenPickerPage), args));

      Window.Current.Content = rootFrame;
      Window.Current.Activate();
    }

  }
}
